> >> In my case host controller also reports device disconnect in PORTSC >> register at this error condition also . >> is it normal behaviour on part of usb host controller to report device >> disconnect if usb isochoronous >> transactions fails with such errors such as bad length ? > > You've got it backward. It is normal behavior for transactions to fail > with these errors if the device disconnects. > > Alan Stern > > Actually the usb device is not unplugged at all physically . it is there on the usb bus . It happens when we proceed to start usb audio streaming for a new song after stopping currently played song . Regards Amit Nagal -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html